/*头部模块*/
.box {
	overflow: hidden;
    background-color: #888888;
    
    
    
}
.container {
    max-width:1025px;
    margin:0 auto;
    box-shadow: 0px 0px 2px 1px rgba(0, 0, 0, 0.2);
}

.header {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    -webkit-box-align: start;
    align-items: flex-start;
    margin:0 auto;
    height: 80px;
    width:100%;
    background-color: #722872;
    position: fixed;
    right: 0;
    left: 0;
    z-index: 3;
}




.header__logo {
    float: left;
    height: 50px;
    margin:0px 17px;
    padding: 15px 10px;
    display: block;
}

.header__nav {
    float: right;
    margin:20px 17px;
    position: relative;
}

.header__nav-item_status_hover:link {
    color:#777777;
}
.header__nav-item_status_hover:visited {
    color:#777777;
}
.header__nav-item_status_hover:hover {
	color:rgb(51,51,51);
    background-color: #722872;
}

.header__nav-item {
    float: left;
    font-size: 14px;
    display: inline-block;
    text-align: center;
    line-height: 40px;
    padding:0 20px;
    letter-spacing: 0.2em;
}

.header__nav-item_status_active {
    background-color:white;
    border: none; 
    color:rgb(51,51,51);
}

/*第一屏*/
#screen-1 {
    position: relative;
    width:1025px;
    height: 390px;
    background-color: #AAAAAA;
    margin:0px auto;
    margin-bottom: 0;
}

.screen-1__heading {
    position: absolute;
    width:610px;
    height:190px;
    top:110px;
    left:60px;
    font-size: 20px;
    font-weight:300;    
    color:white;
    text-align: right;
    line-height: 1.5em;
}

.screen-1__heading b {
    font-weight: 500;
    font-size: 21px;
}

.screen-1__img {
    float:right;
    margin:80px 55px 60px 50px;
    width: 250px;
    height: 250px;
    border-radius: 200px;
}
.screen-1__text-line {
    margin:40px auto 30px;
    width: 512px;
    color:#FFFFFF;
    border-top: solid 5px;
    text-align: right;
    padding:0;
}
/*第二屏*/
#screen-2 {
    position: relative;
    width:1025px;
    height: 1271px;
    background-color: #EEEEEE;
    margin:0px auto;
    padding:0;
}

.screen-2__heading {
    font-size: 28px;
    color:#888888;
    text-align: center;
    margin-top:0;
    padding-top:70px;
}

.screen-2__text-line {
    width: 512px;
    color:#888888;
    border-top: solid 5px;
    text-align: center;
}

.screen-2__img {
    margin: 20px 50px;
}

.screen-2__img-item {
    display: block;
    width:420px;
    float:left;
    padding:20px;
}

/*第三屏*/
#screen-3 {
    position: relative;
    width:1025px;
    height: 828px;
    background-color: #EEEEEE;
    margin:0px auto;
    padding:0;
    border-top: 2px solid #CECECE;
}

.screen-3__heading {
    font-size: 28px;
    color:#888888;
    text-align: center;
    margin-top:0;
    padding-top:50px;
}

.screen-3__text-line {
    width: 512px;
    color:#888888;
    border-top: solid 5px;
    text-align: center;
}

.screen-3__wrap {
    height:620px;
    margin:0 auto;
}

.screen-3__from {
    position: absolute;
    width:410px;
    height:620px;
    top:190px;
    left:53px;
    margin-left: 20px;

}
.screen-3__form-item{
    position: relative;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #bbb;
    color: #666;
    font-size: 20px;
}

.screen-3__form-item lable {
    display: block;
    z-index: 0;
    position: relative;
    top: 2em;
    margin: 0;
    font-size: .85em;
    line-height: 1.764705882em;
    vertical-align: baseline;
    opacity: 0;
    background: 0;
    transition: top .3s ease,opacity .3s ease;
    font-weight: 700;
}

.screen-3__form-item input, .screen-3__form-item textarea{
    z-index: 1;
    position: relative;
    padding-right: 0;
    padding-left: 0;
    border: 0;
    border-radius: 0;
    font-size: 1.5em;
    box-shadow: none!important;
    resize: none;   
    width: 100%;
}

.screen-3__form-item-button {
    -webkit-appearance: button;
    cursor: pointer;
    overflow: visible;
    font-size: 24px;
    color:#666666;
    margin-top:30px;
}

#name,#email,#phone {
    height:44px;
}

#message {
    height:214px;
    overflow:auto;
    font-size: 1.5em; 
}

.screen-3__section {
    float:right;
    width:390px;
    height:620px;
    font-size: 20px;
    color:#666666;
    margin:90px 60px 0px 60px;
}

.screen-3__section-item_2 {
    margin-top:40px;
}

.screen-3__section-item_3 {
    margin-top: 285px;
}

/*底部*/
footer {
    width:100%;
    height:320px;
    margin:0;
    padding:0;
    color: #fff;
    background-color: #aaa;
    text-align: center;
    box-shadow: 0px 0px 1px 1px rgba(0, 0, 0, 0.2);
}

#footer-above {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    -webkit-box-align: start;
    align-items: flex-start;
    margin: 0 auto;
    padding-top: 50px;
    width: 80%;
}

#footer-above div {
    margin-bottom: 50px;
    width: 250px;
}
footer p {
    font-size: 20px;
}
footer h3 {
    margin-bottom: 30px;
    color: #fff;
    font-size: 24px;
    color: #fff;
    font-weight: bold;
    text-align: center;
    margin-top: 20px;
    text-transform: uppercase;
}

#footer-above ul {
    padding: 0;
    margin-top: 0;
    margin-bottom: 10px;
}

#footer-above li {
    display: inline;
}

#footer-below {
    box-shadow: 0px 0px 1px 1px rgba(0, 0, 0, 0.2);
    padding: 25px 0;
    background-color: #722872;
    text-align: center;
    font-size: 20px;
    color:white;
}